1.

The missing structures `A` and `B` in the recation sequence: `R -CH_(2)-CH_(2)OH overset(AI(2)O_(3))underset(350^(@)C)rarrR-CH=CH_(2)overset((i)O_(3))underset((ii)Zn//H_(3)O)rarr` `RCHO +A, RCHO overset(Reduct)rarrB`, areA. `CH_(3)OH,RCOOH`B. Methanal, `RCH_(2)OH`C. Ethanal, `RCOOH`D. Methanal, `RCHOHR`

Answer» Correct Answer - B
`R-CH_(2)CH_(2)OHoverset(A1_(2)O_(3))underset(350^(@)C)rarrR-CH=CH_(2)overset((i)O_(3))underset((ii)Zn,H_(3)O^(o+))rarr`
`R-Cho +CH_(2)O (A)`
`R-CHO overset("Methanol Reduce")rarr R-underset((B))(CH_(2)OH)`


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